﻿using System;
using System.Collections.Generic;

namespace InformationSystem.Service
{
	/// <summary>
	/// Description of IService.
	/// </summary>
	public interface IService<T>
    {
        bool add(T objct);
        bool del(T objct);
        bool update(T objct);
        T query(T objct);
        List<T> queryAll();
    }
}
